From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Blueprint of an experimental duplex outlet exhaust manifold for testing on a B III unit.
| Identifier | ExFiles\Box 99\1\ scan0162 | |
| Date | 9th May 1938 | |
| RM.{William Robotham - Chief Engineer} 523. FOR DETAIL DIMENSIONS SEE Ex. 30724. EXPERIMENTAL DUPLEX OUTLET EXHAUST MANIFOLD AS TEST ON B III UNIT IN CONNECTION WITH EXHAUST SYSTEM LOSSES ( REP RM{William Robotham - Chief Engineer}/SWDL{Len H. Swindell}/1/M H 9-5-38) | ||